Cited by 87Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Istradefylline reduces memory deficits in aging mice with amyloid pathology

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Orr, Anna G., Lo, Iris, Schumacher, Heike, Ho, Kaitlyn, Gill, Michael, Guo, Weikun, Kim, Daniel H., Knox, Anthony +7 more·2018·Neurobiology of Disease

Abstract

Adenosine A 2A receptors are putative therapeutic targets for neurological disorders. The adenosine A 2A receptor antagonist istradefylline is approved in Japan for Parkinson's disease and is being tested in clinical trials for this condition elsewhere. A 2A receptors on neurons and astrocytes may contribute to Alzheimer's disease (AD) by impairing memory. However, it is not known whether istradefylline enhances cognitive function in aging animals with AD-like amyloid plaque pathology. Here, we show that elevated levels of Aβ, C-terminal fragments of the amyloid precursor protein (APP), or amyloid plaques, but not overexpression of APP per se, increase astrocytic A 2A receptor levels in the hippocampus and neocortex of aging mice. Moreover, in amyloid plaque-bearing mice, low-dose istradefylline treatment enhanced spatial memory and habituation, supporting the conclusion that, within a well-defined dose range, A 2A receptor blockers might help counteract memory problems in patients with Alzheimer's disease.

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Crossref · 10.1016/j.nbd.2017.10.014

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Authors
Orr, A. G., Lo, I., Schumacher, H., Ho, K., Gill, M., Guo, W., Kim, D. H., Knox, A., Saito, T., Saido, T. C., Simms, J., Toddes, C., Wang, X., Yu, G.-Q., & Mucke, L.
Affiliations
  • Gladstone Institutes (US)
  • RIKEN Center for Brain Science (JP)
Corresponding author
  • Orr, Anna G.
  • Mucke, Lennart
Venue
Neurobiology of Disease
Publisher
Elsevier BV
Published
2018-02
Volume
110
Pages
29-36
ISSN
0969-9961 (ISSN-L)
OpenAlex
W2765888687
Cited by
87
References
68
Citations by year
2026: 7 · 2025: 6 · 2024: 5 · 2023: 9 · 2022: 8 · 2021: 23 · 2020: 9 · 2019: 8 · 2018: 12
FWCI
5.87
Type
journal article
Language
en
Open access
Locations
  • Neurobiology of Disease (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Center for Research Resources (RR18928)
  • National Institutes of Health (K99AG048222, P30NS065780, P50AG023501)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
istradefylline, adenosine A2A receptor, Alzheimer's disease, amyloid plaques, amyloid-beta, amyloid precursor protein, astrocytes, hippocampus, neocortex, memory impairment, aging, spatial memory, habituation, cognitive enhancement
MeSH terms
Aging, Alzheimer Disease, Animals, Astrocytes, Brain, Female, Humans, Male, Memory Disorders, Mice, Inbred C57BL, Mice, Transgenic, Purines, Amyloid beta-Peptides, Receptor, Adenosine A2A, Mice, Plaque, Amyloid, Adenosine A2 Receptor Antagonists

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